Provide AIFF metadata detection about tag HOT 7 OPEN

This hasn't been implemented because I don't have any AIFF files in my music library, and so have never needed it :-).

If you can point to the metadata spec and provide a few sample files then it would be a great start. From my brief search just now I couldn't put my finger on a spec, though it seems [1] that some files have a "chunk" containing ID3 data (which we already parse, so could be straightforward to implement).

[1] https://en.wikipedia.org/wiki/Audio_Interchange_File_Format#Metadata

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Any file downloaded from Bandcamp as AIFF can be used as sample (and some are available for free).

If you don't have/want to but any from them, I can send you some samples. Just add a thumbs-up to this reply and I send it to your email - You can download for free the linked albums from BandCamp!

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@dhowden Due to the size I have uploaded a sample file here. It's an aiff file tagged in ID3v2.4 with Mp3Tag.
I also think that the implementation should be straightforward, since iTunes, Pioneer DJ devices and some car computers can read the tags without problem.

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Thanks @deluan @AlphaJack. Any luck finding a spec?

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Maybe this could help? https://exiftool.org/TagNames/AIFF.html

Sorry, but I haven't spent time digging into low level tag formats, just high level using your library and ffmpeg

EDIT: Just downloaded this exiftool and it properly extract all info from the AIFF I linked before, so I assume their documentation is correct :)

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I found the same information as you about AIFF containing a ID3 'chunk' from a different source: http://fileformats.archiveteam.org/wiki/AIFF

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Maybe this can help: beetbox/beets#250

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